<?php
class HelloWorld{
    function HelloWorld(){
        $this->methodTable = array(
            "say" => array(
                "access" => "remote",
                "description" => "Pings back a message"
            )
        );
    }

    function say($sMessage){
        return 'You said: ' . $sMessage;
    }
}
?>

import mx.remoting.*;
import mx.rpc.*;
import mx.remoting.debug.NetDebug;

var gatewayUrl:String="http://localhost/flashservices/gateway.php";

NetDebug.initialize();
var _service:Service = new Service(gatewayUrl, null, 'HelloWorld', null , null);
var pc:PendingCall = _service.say("Hello world!");
pc.responder = new RelayResponder(this, "handleResult", "handleError");

function handleResult(re:ResultEvent){
    trace('The result is: ' + re.result);
}

function handleError(fe:FaultEvent){
    trace('There has been an error');
    trace('result : '+ fe.fault.faultstring);
}

The result is: You said: Hello world!

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 8: The class 'Service' could not be loaded.
     var _service:Service = new Service(gatewayUrl, null, 'HelloWorld', null , null);

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 9: The class 'PendingCall' could not be loaded.
     var pc:PendingCall = _service.say("Hello world!");

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 12: The class 'ResultEvent' could not be loaded.
     function handleResult(re:ResultEvent)

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 17: The class 'FaultEvent' could not be loaded.
     function handleError(fe:FaultEvent)

Total ActionScript Errors: 4     Reported Errors: 4

Error opening URL http://localhost/flashservices/gateway.php

There has been an error

Status (object #2)
.....description: "The class {HelloWorld} could not be constructed, check the stack trace for the root cause"
.....details: "c:\pat\projets\amfphp\src\actions\ClassLoaderAction.php"
.....level: "User Error"
.....line: 61
.....exceptionStack (object #3)
..........[0] (object #4)
...............[0] (object #5)
....................code: 256
....................description: "The class {HelloWorld} could not be constructed, check the stack trace for the root cause"
....................details: "c:\pat\projets\amfphp\src\actions\ClassLoaderAction.php"
....................level: "User Error"
....................line: 61
..........[1] (object #6)
...............[0] (object #7)
....................code: 256
....................description: "The class {HelloWorld} could not be loaded.  The class file exists but may contain syntax errors, or the class is misnamed."
....................details: "c:\pat\projets\amfphp\src\actions\ClassLoaderAction.php"
....................level: "User Error"
....................line: 83